BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



VOL. 24, PP. 669-719, PL. 36 DECEMBER 23, 1913 



ABSTEACTS OF PAPEES PEESENTED AT THE TWENTY- 

 FIFTH ANNUAL MEETING OF THE SOCIETY, BUT NOT 

 PUBLISHED IN FULL IN THE PEECEDING PAGES OF 

 THIS VOLUME, TOGETHEE WITH DISCUSSIONS OF 

 PAPEES AS FAE AS PEESEEVED. 



E. 0. Hovey, Secretary 



CONTENTS 



Page 



Experimental geology, one of the large subdivisions of geology [abstract 

 and discussion] ; by Fred E. Wright 671 



Structural geology of the Hanover District, New Hampshire [abstract] ; 

 by John Wesley Merritt 672 



Effect of high pressures on the physical and chemical behavior of solid 

 substances [abstract and discussion] ; by John Johnston and L. H. Adams 674 



Structural features of a portion of southeast Idaho [abstract] ; by R. W. 

 Richards and G. R. Mansfield 675 



Bannock thrust — a major fault in southeast Idaho [abstract and discus- 

 sion] ; by R. W. Richards and G. R. Mansfield 675 



Angular unconformity at Catskill [abstract] ; by George H. Chadwick. . . . 676 



Displacements of triangulation stations in Sumatra due to an earthquake 

 in 1892 [abstract] ; by Harry Fielding Reid 676 



Some structural features in the northern anthracite coal field [abstract] ; 

 by N. H. Darton 676 



Geothermal data of the United States [abstract] ; by N. H. Darton 677 



Magnitude of continental deposits [abstract] ; by Charles R. Keyes 677 



Glacial cirques near Mount Washington [abstract and discussion] ; by 

 James Walter Goldthwait 677 



Geological section along the Yukon-Alaska boundary between Yukon and 

 Porcupine rivers [abstract] ; by D. D. Cairnes 678 



Red Beds between Wichita Falls, Texas, and Las Vegas, New Mexico, in 

 relation to their vertebrate fauna [abstract] ; by E. C. Case 679 



Shinarump conglomerate [abstract and discussion] ; by Herbert E. Gregory 679 



Further discoveries in the Taconic Mountains [abstract] ; by Arthur Keith 680 



Preliminary geological map of the Navajo-Mold Reservation [abstract] ; 

 by Herbert E. Gregory 680 



Various forms of silica and their mutual relations [abstract] ; by Clarence 

 N. Fenner 681 



Index-ellipsoid in petrographic-microscopic work [abstract and discussion] ; 

 by Fred E. Wright. 681 



Igneous complex of high titanium-phosphorus-bearing rocks of Amherst- 

 Nelson counties, Virginia [abstract] ; by Thomas L. Watson and Stephen 

 Taber 682 



XLVI — Bull. Geol. Soc. Am., Vol. 24, 1912 



